Template:R:zh:Laufer:1916
Laufer, Berthold (1916), “Supplementary Notes On Walrus and Narwhal Ivory”, T'oung Pao[1], 卷17, DOI:, 页348–389
Laufer, Berthold (1916), “Supplementary Notes On Walrus and Narwhal Ivory”, T'oung Pao[1], 卷17, DOI:10.1163/156853216X00102, 页348–389